-- @owner: opentestcase023
-- @date: 2022/02/24
-- @testpoint: 在视图上创建truncate触发器 before truncate on，合理报错


--step1:建表;expect:成功
drop table if exists t_trigger_src cascade;
drop table if exists t_trigger_des cascade;
create table t_trigger_src(id1 int, id2 int, id3 int) with (storage_type=ustore);
create table t_trigger_des(id1 int, id2 int, id3 int) with (storage_type=ustore);

--step2:在视图上创建truncate触发器 before truncate on;expect:合理报错
create or replace view t_trigger_src_view1 as select * from t_trigger_src;
create or replace function tri_truncate_func() returns trigger as
$$
declare
begin
truncate table t_trigger_des;
return new;
end
$$ language plpgsql;
/
drop trigger if exists truncate_trigger on t_trigger_src_view1;
create trigger truncate_trigger before truncate on t_trigger_src_view1
for each statement
execute procedure tri_truncate_func();
/

--step3:清理环境;expect:成功
drop table if exists t_trigger_src cascade;
drop table if exists t_trigger_des cascade;